Quote:
Originally Posted by neilgorin
I've found what causes this.
The rubber blade should be free to move in both ends of the wiper arm.
They stick with gunk and dirt at both ends though and won't move smoothly, so as the blade moves across the screen it's unable to move at all.
When I last replaced the blades on mine, I sprayed the slots it slides in with slicon spray at both ends before sliding the rubber in. No more skipping.
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Sounds interesting?
On another car I own this problem is caused by the wiper pivot moving in its rubber mounting. This one is fixed by applying a 'penny washer' to the outside of the rubber pivot.